최근 10년간 원광의대병원에서 시행한 소아 심장혈관 수술의 임상적 고찰

윤향석,정수미,최두영,오광수,오연균,김종덕,양현웅,이삼윤,김형곤,최종범,최순호,노병석 圓光大學校 醫科學硏究所 1995 圓光醫科學 Vol.11 No.2

We reviewed 10 years experiences of the clinical aspects and early postoperative results in 544 pediatric patients(age less than 16 years old). Among them. 529 cases had the congenital heart diseases, and 15 had the acquired diseases. Open heart surgery was performed in 413 patients. 115 cases were treated with non-open heart surgery. 16 with interventional catheterization. Annual increase of the cardiac patients was not significant in recent 10 years, except slight increase in 1994. The mean age of the study patients had been evidently changed to younger year by year. Total mortality rate of the open heart surgery was 6.4%. The cyanotic congenital heart diseases were high in early postoperative mortality by 25.7%, whereas 4% in acyanotic group. The age group less than one month was most highest in surgical mortality(66.7%). There were no deaths in patients with patent ductus arteriosus(103 cases), atrial septal defect(83 cases) or pulmonary stenosis(17 cases). Among 220 patients with ventricular septal defects(VSD). 10(4.5%) were died early postoperatively. In cyanotic group, the patients with pulmonary atresia with ventricular septal defects(PAVSD), transposition of the great arteries(TGA), interrupted aortic arch(IAA), complex cardiac anomalies with isomerism seemed to be most susceptible to an early death.

고양이 위 평활근 수축에 대한 Vanadate와 Pervanadate의 효과

심상수,최효봉,심혜선,이덕주,윤신희,한상준,김명석,조양혁 大韓消化器病學會 1999 大韓消化器病學會誌 Vol.33 No.1

港灣 시스템의 生産性 堤高를 위한 戰略的 計劃에 관한 硏究

許南秀,梁漢洙,金俊式,崔德哲 慶南大學校 産業經營硏究所 1990 産業經營 Vol.13 No.-

여자유도선수의 경기력에 미치는 체력 판별요인 분석

김규수,남덕현,최영희 龍仁大學校 武道硏究所 2004 武道硏究所誌 Vol.14 No.2

The study is designed to find out the physical factors for decision of records of play in senior highschool judo players under planned training and to identify physical factors of play performance of judo players. The the subject of the study were the senior highschool players registered in Korea sports council and experienced in participation in various judo plays, and total 72 players served as the subject of the study divided into two groups; 36 excellent players awarded in private competition; and not-excellent players with no award record. SPSS V11.0 ststistic program was used in processing of data in this study. discriminant analysis was performed to identify the combinations of variables for physical strength expression that is the difference between the groups, and the contribution levels of variabilities were assessed. 1. In determination of excellent or not-excellent players by physical strength, statistic showed statistical significance with 5% of significance level. 2. The order of contribution of variables that determine the performance of play was muscular strength, muscular endurance, agility, flexibility, explosive power, and cardiovascular endurance in the six physical strength factors. 3. In therms of accuracy of the reclassification of determination factors of play performance, the reclassification into six physical factors, 74.3%.

한국 대학의 벤처교육 현황과 그 과정개발에 관한 연구

허남수,최덕철 경남대학교 산업경영연구소 2000 産業經營 Vol.27 No.-

일개 자동차 부품공장 근로자에서 초음파로 측정한 수근관 형태와 수근관증후군 위험도

김덕수,정해관,임현술,권용욱,이종민,조대현,최대섭 大韓産業醫學會 2002 대한직업환경의학회지 Vol.14 No.3

목적 : 일개 사업장의 생산직 근로자를 대상으로 손목 계측치 및 초음파를 이용한 수근관 계측치의 상관성 분석을 통하여 수근관증후군 발생에 관여하는 개인의 감수성 및 위험요인을 파악하여 생산직 근로자들의 수근관증후군 예방에 활용하고자 본 연구를 수행하였다. 방법 : 경주시에 위치한 자동차 방음재를 생산하는 사업장에 생산직 근로자 남자 24명, 여자 11명 등 총 35명을 대상으로 2000녀 4월과 2000년 10월 반드시 각 설문조사, 이학적검사, 전기진단검사를 실시하였으며, 2000년 10월에는 초음파를 이용한 수근관계측도 실시하였다. 결과 : 수근관증후군의 신체계측 요인에 따른 분석에서는 수근관 전치/폭 비가 0.17 미만인 군에 비하여 0.17 이상인 군에서 통계적으로 유의하게 높았다(p<0.05). 총 수근관 면적(두께×폭)은 300 ㎟이상인 군에 비하여 300㎟ 미만인 군에서 통계적으로 유의하게 높았다(p<0.05). 성별을 통제변수로 처리한 신체 계측치간 상간 분석에서는 수근관폭은 전기진단 검사와 음의 상관성을 보였으며, 수근관 두께는 전기진단 검사와 양의 상관성을 보였다. 수근관 두께/폭 비는 전기진단 검사와 양이 상관성을 보였으며, 수근관비 전치/두께 비는 전기진단 검사 결과와 음의 상관성을 보였다. 하부 수근관 면적[폭×(두께-전치)]은 전기진단 검사와 양의 상관성을 보였으며, 상부 수근관 면적(폭×전치)은 전기진단 검사와 음의 상관성을 보였다. 또한 수근관 전치의 상대적 비가 클수록 수근관증후군의 회복이 유의하게 좋았다. 결론 : 수근관증후군은 수근관 폭이 좁을수록, 수근관 두께가 두꺼울수록, 수근관 전치가 작을수록 수근관증후군 위험도가 증가한다. 저자들은 초음파를 이용한 수근관 형태의 측정은 수근관증후군의 발생의 내적 요인에 대한 중요한 정보를 제공하면 수근관증후군 발생 및 회복의 개별적 위험요인을 예측하는데 중요한 근거를 제공하는 것으로 판단하였다. Objectives: This study was conducted to evaluate individual susceptibility to carpal tunnel syndrome (CTS) by ultrasonographic measurement of the carpal tunnel configuration in workers doing repetitive work. Methods: The study subjects consisted of 24 male and 11 female workers in a soundproof material manufacturing company in Gyeongju. We conducted a self-reported questionnaire survey, a physical examination and an electrodiagnostic study (EDS) in April 2000. After the examination, jobs were rearranged for workers with CTS. A follow up physical examination. EDS, and measurement of the carpal tunnel by ultrasonography was done six monsths later. Results: Of those studied. prevalence or CTS was 63.6/100 persons among women and 29.2/100 persons among men. Mean depth and width of wrist was shorter in those with CTS compareal to the controls (p<0.05). The risk of CTS was higher in workers whose carpal tunnel ratio (displacement/width) was 0.17 or higher (OR 7.13, 95% confidence interval 1.18-43.1), and in workers whose carpal tunnel area was less than 300 ㎟ (OR 8.00, 95% confidence interval 1.18-68.5). Carpal tunnel depth and depth/width ratio had a positive correlation with motor latency of the median nerve and median-ulnar sensory latency difference (p<0.05). whereas the carpal tunnel width. displacement/depth ratio, and area (width×displacement) had a negative correlation with median nerve latencies after adjusting for gender. Workers who showed an improvement in the clinical stage of CTS after job rearrangement had a significantly lower carpal tunnel displacement/width ratio and displacement/depth ratio. They also had smaller upper carpal tunnel area (width×displacement) and larger upper carpal tunner\l area [(depth-displacement)×width] than the controls (p<0.05). Conclusions:Ultrasonographic measurement of the carpal tunnel is a good predictor of susceptibility and prognosis of CTS in workers doing repetivive work.

에틸메타크릴레이트의 환경친화적인 광중합특성에 관한 연구

이내우,최재욱,설수덕 釜慶大學校 2001 釜慶大學校 論文集 Vol.6 No.-

Photopolymerization, the utilization of electromagnetic radiation(or light) as the energy source for polymerization of functional monomers, oligomers is the basis of important commercial processes with broad applicability, including photoimaging and UV curing of coatings and inks. The objective of this study is to investigate the characteristics of environmental fraternitive photopolymerization of ethyl methacrylate(EMA). This work is the second step to continue further research about alkyl methacrylate. The experiment has been carred out in aqueous solution under the influence of photo-initiator concentration(0.05∼0.25mol/H_2O_2), light intensity(5000∼9000μJ/cm^2) and monomer concentration(2∼6mol/EMA). EMA was polymerized to high conversion ratio using hydrogen peroxide (H_2O_2), and the kinetics model which we have obtained is as follows. R_P=k_p[S]^0.28[M]^0.41[L]^1.58exp^(33.30/RT) The differential method of thermogravimetric analysis(Friedman method) was used to obtain value of activation energy on decomposition reaction. The average value of it is 31.9 kcal/mol and is similiar to the activation energy of orginal polymerization.

부틸메타크릴레이트의 환경친화적인 광중합 및 열분해특성

이내우,최재욱,설수덕 한국산업안전학회 2002 한국안전학회지 Vol.17 No.2

This study is the series of photopolymerization on alkyl methacrylate(AMA) to continue further research. The objective of this work is to investigate the environmental fraternitive characteristics of photopolymerization kinetics on n-Buthyl methacrylate(BMA) and comparing the decomposition behavior to other AMA. The experiment was done in aqueous solution under the influence of photo-initiator concentration(0.05~0.25㏖/l), light intensity(5000~9000??/㎠) and monomer concentration(2.0~6.0㏖/l). n-BMA was polymerized to high conversion ratio using hydrogen peroxide(H_2O_2), and the kinetics model we have obtained is as follows. R_p=k_p[S]^0.24[M]^0.33[L]^1.53exp^(27.19/RT) The differential method of thermogravimetric analysis(Friedman method) was used to obtain value of activation energy on decomposition reaction. The average value of it was 27.5㎉/㏖.

채용시 건강진단에서 요ㆍ천추부 단순 방사선 검사의 평가

임현술,김수군,김덕수,이현경,최대섭 대한산업의학회 2000 대한직업환경의학회지 Vol.12 No.2

Objectives : A study was conducted for investigating the status of simple X-rays on lumbo-sacral regions at pre-employment health examination and analysing the effectiveness of simple X-rays on lumbo-sacral regions. Methods : The study data were pre-employment health examination data in a university hospital from Jan 3, 1993 through October of 1997. And, 97 newly employed workers who claimed no low back pawn at pre-employment health examination of a certain company were follow-up survey about low back pain and related factors in April, 1995 and October of 1997. The data were collected by a self-reported questionnaire and a medical examination with a rehabilitation specialist. Results : 1. Taking the simple X-rays on lumbo-sacral regions was 1,591 workers (10.5%) among 15,166 pre-employment health examination from Jan 3, 1993 through October of 1997. And yearly application rates of these X-ray tests have been significantly statistical increasing (p〈0.01). 2. The abnormal findings of simple X-rays on lumbo-sacral regions at pre-employment health examination were 40 workers. But, there was not significantly statistical difference between normal and abnormal group for the complaint rate of low back pain. 3. The number of case with symptoms of low back pain at the follow-up survey were 46, so The incidence density was 37.1 persons/ 100 person-years. And the incidence density was not significantly statistical difference between normal and abnormal group of simple X-rays on lumbo-sacral regions. 4. Through the multivariate logistic regression, significantly associated factors with low back Pain were found to be tenure(OR=0.36, 95%CI : 0.17-0.79), lifting of heavy materials (OR=5.86, 95%CI : 1.58-21.74) . Conclusion : The simple X-rays on lumbo-sacral regions at pre-employment health examination is required further research for utilizing pre-employment health examination according to above results.

충남 아산시 소재 도고천과 그 주변부의 식물상

신현철,조수현,최덕호 순천향대학교 기초과학연구소 1997 순천향자연과학연구 논문집 Vol.3 No.2

To understand the floral characteristics of Dogo river and its vicinity, the plants distributed along Dogo river were collected at 10 sites from July to October, 1997. From this investigation, it is confirmed that 113 taxa, including 15 naturalized taxa, were distributed at Dogo river and its vicinity. Among them, 12 taxa were hydrophytes, 25 taxa were wetplant and 76 taxa were waterside plants. The plants of four taxa, including Commelina communis, Humulus japonicus, Persicaria thunbergii, and Bidens frondosa, were distributed at 8 sites, and those of 57 taxa were distributed only at one site.